Drilling and Reaming MCQ - Machinist(Set-1) with Answers

Drilling and Reaming MCQ - Machinist(Set-1) with Answers

21) The distance a drill advances into the job in one complete revolution is known as

Answer is:

Feed

Explanation:

Feed is the distance a drill advances into the work in one complete rotation.

22) Which one of the following is used to hold the straight shank drill having diameter less than 12 mm ?

Answer is:

Drill chuck

Explanation:

Drill chuck is used for holding the straight shank drill having diameter less than 12 mm.

Which one of the following is used to hold the straight shank drill having diameter less than 12 mm ?

23) The rate of feed depends upon

Answer is:

All the above

24) Which among the following is NOT the factor for selection of cutting speed and feed for reaming a hole with a machine reamer ?

Answer is:

Rigidity of the fixture

25) A nut is to be made for a screw of M10x1.5. What should be the size of drilled hole ?

Answer is:

8.5 mm

2
3
4
5
6
7
8